A per-child tuition rate set by feel, or by matching a nearby center, hides the one number that actually drives a classroom's margin: how full it is. Staffing is scheduled to meet a licensed ratio, not to the exact headcount on any given day, which means an empty seat is rarely a saved cost -- it is almost always lost revenue.
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Fixed staffing cost. A room staffed for a 10:1 ratio with two teachers costs the same in wages whether 14 children or 20 are enrolled. Occupancy changes revenue, not cost.
The room and the ratio can each be the limit. A classroom licensed for a 10:1 ratio with two staff has a ratio-based capacity of 20 -- but a smaller room might be licensed for only 15 by square footage. Whichever is smaller is the classroom's real ceiling.
Overhead spread across fewer children. Rent, supplies, and administrative cost allocated to a room do not shrink as enrollment drops, so a half-empty room spreads the same overhead across half as many tuition checks.
A 10:1 ratio, two staff at $18/hour, a room licensed for 20, 85% occupancy, 12% payroll burden, $1,500 in monthly overhead, a $900 current tuition rate, and a 10% target margin:
| Figure | Value |
|---|---|
| Classroom capacity | 20 (ratio-bound) |
| Enrolled at 85% occupancy | 17 |
| Monthly fixed cost (staff + overhead) | $10,236 |
| Break-even tuition per child | $602.12 |
| Tuition needed for a 10% margin | $669.02 |
| Profit at the current $900 rate | $5,064/month (about 33% margin) |
| Revenue left on 3 empty seats | $2,700/month, $32,400/year |
The same room at 50% occupancy needs $1,137.33 per child just to clear the same 10% margin on the same fixed cost -- and at the $900 rate actually being charged, it would be losing $1,236 a month rather than earning it. Occupancy moves the required tuition more than almost any realistic price change, because the fixed cost never moves with it.
Start from your classroom's own fixed monthly cost — staff wages plus payroll burden, plus overhead allocated to that room — and divide by the number of children you actually expect enrolled, not the room's full licensed capacity. At a 10:1 ratio with two staff, 85% occupancy, $18/hour wages, and $1,500 monthly overhead, that fixed cost is $10,236 a month across 17 enrolled children, a break-even tuition of $602.12 per child before any margin at all.
Because a classroom is staffed to meet its licensed ratio, not to the number of children physically present. Two staff scheduled for a 10:1 room cost the same whether 14 or 20 children show up, so every enrolled seat below capacity is pure lost revenue rather than avoided cost. In the worked example, three empty seats at a $900 tuition rate is $2,700 a month never billed.
Compare the two against your own fixed cost rather than assuming either one first. Filling the room from 85% to 100% occupancy in the worked example adds 3 more paying families at the current $900 rate without changing the tuition needed to hit margin; raising tuition instead means charging every family more to cover the same fixed cost across fewer children. Occupancy is usually the cheaper lever because it recovers revenue you are already staffed to deliver.